Active NPI
Connecticut Oncology Group, PC
- Family Nurse Practitioner
- Middletown, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- Legal business name
- CONNECTICUT ONCOLOGY GROUP, PC
- Practice address
- 536 Saybrook Rd
Middletown, CT 06457-4712 - Phone
- (860) 358-2220
- Fax
- (860) 358-2222
- NPI assigned
- Oct 27, 2005
- Last updated
- Feb 27, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Susanna Hong, M.D.
- Title
- Authorized Official
- Phone
- (860) 358-2220
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | |||
| Nurse Practitioner | 363L00000X | |||
| Family Nurse Practitioner | 363LF0000X | Primary |
Addresses
Primary practice location
536 Saybrook Rd
Middletown, CT 06457-4712
Mailing address
536 Saybrook Rd
Middletown, CT 06457-4783
Phone (860) 358-2220
Other practice location 1
250 Flat Rock Pl
Westbrook, CT 06498-3585
Phone (860) 661-9000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 07D0707295 | Connecticut Oncology Group, PC | Certificate of waiver | Oct 15, 2026 |
National Provider Directory
National Provider DirectoryLocations
90 Main St
Ste 102
Centerbrook, CT 06409
Phone (860) 767-2101
536 Saybrook Rd
Ste 2
Middletown, CT 06457
Phone (860) 358-2220
Practitioners & affiliated clinicians
Practitioners 13
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Hematology & Oncology Physician
- Middletown, CT
- NPI 1790881803
-
- Family Nurse Practitioner
- Middletown, CT
- NPI 1376233775
-
- Nurse Practitioner
- Middletown, CT
- NPI 1568127835
-
- Hematology & Oncology Physician
- Middletown, CT
- NPI 1841396959
-
- Hematology & Oncology Physician
- Middletown, CT
- NPI 1730316068
-
- Hematology & Oncology Physician
- Middletown, CT
- NPI 1467659557
-
- Hematology & Oncology Physician
- Middletown, CT
- NPI 1376224915
-
- Medical Physician Assistant
- New Haven, CT
- NPI 1932551546
-
- Hematology & Oncology Physician
- Middletown, CT
- NPI 1033215132
-
- Nurse Practitioner
- Middletown, CT
- NPI 1831442276
-
- Medical Oncology Physician
- Middletown, CT
- NPI 1235665571
Hematology & Oncology
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130371200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1772150400000",
"number": "1376533588",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "536 SAYBROOK RD",
"city": "MIDDLETOWN",
"state": "CT",
"postal_code": "064574783",
"telephone_number": "860-358-2220",
"fax_number": "860-358-2222"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "536 SAYBROOK RD",
"city": "MIDDLETOWN",
"state": "CT",
"postal_code": "064574712",
"telephone_number": "860-358-2220",
"fax_number": "860-358-2222"
}
],
"practiceLocations": [
{
"address_1": "250 Flat Rock Pl",
"address_purpose": "LOCATION",
"city": "Westbrook",
"state": "CT",
"postal_code": "064983585",
"country_code": "US",
"telephone_number": "860-661-9000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "CONNECTICUT ONCOLOGY GROUP, PC",
"organizational_subpart": "NO",
"enumeration_date": "2005-10-27",
"last_updated": "2026-02-27",
"certification_date": "2026-02-27",
"status": "A",
"authorized_official_last_name": "HONG",
"authorized_official_first_name": "SUSANNA",
"authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
"authorized_official_telephone_number": "860-358-2220",
"authorized_official_credential": "M.D."
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Hematology & Oncology",
"state": null,
"license": null,
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Nurse Practitioner",
"state": null,
"license": null,
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Nurse Practitioner, Family",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Middletown, CT
- Connecticut Dental Professionals, P.C. (Middlesex Dental Care)
- Connecticut Eye Physicians P.C.
- Connecticut Foot Care Centers LLC
- Connecticut Lifestyle Medicine
- Connecticut Neurosurgery, PC
- Connecticut Pathology Group PC
- Connecticut Spine & Sports Medicine
- Connecticut Valley Counseling LLC
- Diane Connell
- Megan Connelly
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.